焊接时发现焊条易粘在焊件上的原因是（）。A.焊接速度太慢 B.焊条摆动太慢 C.焊接

选词填空（每小题1分，共5分）
请根据对话内容选择正确的单词，将其适当形式写在答题卡上。

is     fly     help      whose      house

Li Hai: It’s windy, Dad. It’s a good day to fly kites.
Father: Yes, it is. Oh, look!   小题1: is that yellow kite?
Li Hai: It’s Pingping’s.
Father: Pingping’s kite is   小题2:  very high.
Li Hai: Oh, no, no! Her kite is falling down. It’s on the   小题3:  now.
Father: Have we got a ladder(梯子)?
Li Hai: Yes, there   小题4:  one over there.
Father: Good. Let’s go and  小题5:  her get the kite down.